A circle of perimeter 28cm is opened to form a square. What is the maximum possible area of the square?

A.
56cm^{2} 
B.
49cm^{2} 
C.
98cm^{2} 
D.
28cm^{2}
Correct Answer: Option B
Explanation
Perimeter of circle = Perimeter of square
28cm = 4L
L = (frac{28}{4}) = 7cm
Area of square = L^{2}
= 7^{2}
= 49cm^{2}